Global Patent Index - EP 0091091 A1

EP 0091091 A1 19831012 - A process for producing oxocarboxylic acids.

Title (en)

A process for producing oxocarboxylic acids.

Title (de)

Verfahren zur Herstellung von Oxo-carbonsäuren.

Title (fr)

Procédé de production d'acides oxocarboxyliques.

Publication

EP 0091091 A1 19831012 (EN)

Application

EP 83103186 A 19830330

Priority

  • JP 5390882 A 19820402
  • JP 8760782 A 19820524
  • JP 12705482 A 19820721
  • JP 15306982 A 19820902

Abstract (en)

[origin: US4649217A] Oxocarboxylic acids, for example adipaldehydic acid can be advantageously produced by a process, in which cyclohexanones are oxidized with molecular oxygen in the presence of water and iron or iridium compound, preferably also in the presence of a sulfur or organic nitrogen compound.

IPC 1-7

C07C 59/147; C07C 59/185; C07C 51/31

IPC 8 full level

C07C 51/31 (2006.01)

CPC (source: EP US)

C07C 51/313 (2013.01 - EP US)

Citation (search report)

  • US 3524892 A 19700818 - HORLENKO THEODORE, et al
  • DE 844293 C 19520717 - BASF AG
  • [Y] CHEMICAL ABSTRACTS, vol. 84, no. 1, 5th January 1976, no. 4677h, Columbus Ohio USA; & SU-A1-487062 (LENSOVET TECHNOLOGICAL INSTITUE LENINGRAD) 05-10-1975
  • [A] CHEMICAL ABSTRACTS, vol 83, no. 1, 7th July 1975, page 768, no. 9263j, Columbus Ohio USA; & KORSAK I.I. et al.: "Role of adipic acid monoaldehyde and 2-hydroxycyclohexanone during cyclohexanone oxidation"

Designated contracting state (EPC)

BE DE GB NL

DOCDB simple family (publication)

EP 0091091 A1 19831012; EP 0091091 B1 19850612; DE 3360258 D1 19850718; US 4649217 A 19870310

DOCDB simple family (application)

EP 83103186 A 19830330; DE 3360258 T 19830330; US 47564683 A 19830315